SOS Alarm Personal Emergency Calling Two Way Talking for 4G PT77 Mini GPS Tracker Human Personal GPS

Description

PT77 Personal GPS Tracker,it has features:

1. Track on command or by time interval;
2. Arm/disarm by SMS/platform or phone call;
3. Track by mobile SMS to get the latitude, longitude, speed, direction & odometer etc.;
4. OTA function (firmware upgraded on air)
5. SOS alarm, call for help;
6. Locate by GPS, GSM station code, and WIFI which is
7. Check the coordinates via LBS, even there is no any GPS signal;
8. Voice monitoring ; 9. Two-way talking;
10. Battery: 400mAH, battery low-level alarm;
11. There are 3 types of working mode for power saving flexibly. In power save mode, the tracker could work for several days.
12. Offline Data logger to store 1760 waypoints. 13. Check the battery volume; 14. Super tiny size & light;